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[学位论文] 作者:韩静,,
来源:兰州交通大学 年份:2019
研究了分次环上的Ding分次投射(内射)模,Ding分次平坦模以及强Ding分次投射(内射)模.它们作为Gorenstein分次模类的推广,有很多重要的性质.首先,我们给出了Ding分次投射模和Ding...分次内射模的等价刻画.证明了任意分次环上的Ding分次投射(内射)模类是投射(内射)可解的.进一步研究了环变换下的Ding分次投射模和Ding分次内射模的维数.其次,我们引入了Ding分次平坦模,研...
[期刊论文] 作者:张翠萍,郭慧瑛,
来源:西北师范大学学报:自然科学版 年份:2019
将强Ding投射(内射)模推广到强Ding投射(内射)复形,证明了强Ding投射(内射)复形G的每个层次是强Ding投射(内射)R-模,且对任意平坦(FP-内射)复形F(J),Hom·(G,F...
[期刊论文] 作者:王艳霞,杨晓燕,
来源:西南师范大学学报:自然科学版 年份:2019
引入了Ding f-投射左R-模的概念.证明了:由所有Ding f-投射左R-模构成的类关于直和以及直和项封闭;若R是左凝聚环,则由所有Ding f-投射左R-模构成的类关于纯扩张以及纯子模封...
[期刊论文] 作者:by Yi,
来源:China Pictorial 年份:2019
Zhou Haiying (1929-2011) was the only son of eminent Chinese writer Zhou Shuren(1881-1936), who is better...
[期刊论文] 作者:汪军鹏, 狄振兴,
来源:数学学报(中文版) 年份:2019
本文证明了任意环的整体Ding投射维数和整体Ding内射维数一致,研究了奇点范畴和相对于Ding模的稳定范畴间的关系,并刻画了Gorenstein (正则)环以及环的整体维数的有限性....
[期刊论文] 作者:达选尚,杨刚,
来源:四川师范大学学报:自然科学版 年份:2019
设环扩张R■A是Frobenius扩张,M是左A-模,证明如果左A-模M是Ding投射模,那么左R-模M是Ding投射模.设R■A是可分的Frobenius扩张,证明如果左R-模M是Ding投射模,那么左...
[期刊论文] 作者:By staff reporter MA LI,
来源:CHINA TODAY 年份:2019
Zhou Jianpeng sketches on the ancient Silk Road in Xinjiang Uygur Autonomous Region. ...WHEN I met Zhou Jianpeng, he had just returned to Beijing after a month-long journey in France....
[期刊论文] 作者:Yue-Hua Wang,Ying-Lin Yang,Xia,
来源:中国神经再生研究:英文版 年份:2019
Xiao-Xu-Ming decoction has been widely used to treat stroke and sequelae of stroke....We have previously shown that the active fractions of Xiao-Xu-Ming decoction...
[期刊论文] 作者:by Yu Ge,
来源:China Pictorial 年份:2019
In 1989 when he first visited the Grand Canyon in Arizona, Zhou Hongru had been living in the United...
[期刊论文] 作者:SUN LI,
来源:今日中国:英文版 年份:2019
AS an outstanding brand of China’s traditional Chinese medicine industry, Beijing Tong Ren Tang has always...
Network pharmacology study on the mechanism of the tong xie yao fang in treating irritable bowel syn
[期刊论文] 作者:Shan-Shan Zhang,Hai-Long Shi,X,
来源:精准医学研究 年份:2019
Objective:The purpose of this study was to explore the effective compounds and molecular mechanism of Tong...
[期刊论文] 作者:魏依,,
来源:海外英语(下) 年份:2019
In the last century,“xiao-jie”was very popular. The word“xiaoji...
[期刊论文] 作者:苟佳民,
来源:科学与财富 年份:2019
order to reduce the burden on farmers, Emperor Kangxi changed the tax policy from the poll tax to Tan Ding...
Effect of Tong Xie Yao Fang on endogenous metabolites in urine of irritable bowel syndrome model rat
[期刊论文] 作者:Xue-Ying Zhao,Jian-Wei Wang,Yu,
来源:世界胃肠病学杂志:英文版 年份:2019
BACKGROUND Tong Xie Yao Fang is a representative traditional Chinese prescription for the treatment of...
[期刊论文] 作者:By SUN LI,
来源:CHINA TODAY 年份:2019
AS an outstanding brand of Chi- na’s traditional Chinese medicine industry, Beijing Tong Ren Tang has...
[期刊论文] 作者:MA LI,
来源:今日中国:英文版 年份:2019
WHEN I met Zhou Jianpeng, he had just returned to Beijing after a month-long journey in France....
Application of Xiao’er Kechuanling Oral Liquid Combined with Tulobuterol Patch in Children with Bron
[期刊论文] 作者:Zhen YAO,Haiping ZHANG,Fei WAN,
来源:药用植物研究(英文版) 年份:2019
[Objectives]To explore the use of Xiao’er Kechuanling Oral Liquid combined with Tulobuterol Patch on...
[期刊论文] 作者:Tangxin Xiao,Ling Zhou,Lixiang,
来源:黑龙江科技学院学报 年份:2019
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7...
[期刊论文] 作者:贺维豪,,
来源:书画世界 年份:2019
丁筱Ding Xiao1985年出生于重庆丰都。2014年毕业于中国美术学院书法系,获硕士学位;2015—2017年供职于四川美术学院国画系,任书法篆刻专业教师;2017年至今,于中国美术学院攻...
[期刊论文] 作者:Zhou Yi,
来源:文化交流 年份:2019
Zhou Ruiwen (born in 1945), an oil painter in his 70s, thinks he is the only artist in Zhejiang who actually...
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